danger vs peril

danger and peril both are nouns.

Word	Noun	Adjective	Verb	Adverb
danger	Yes	No	No	No
peril	Yes	No	Yes	No

As nouns, danger and peril are synonyms defined as:

danger and peril: a venture undertaken without regard to possible loss or injury

Other synonyms of danger include risk.

As nouns, peril is a hyponym of danger; that is, peril is a word with a more specific, narrower meaning than danger:

As nouns, peril is a hyponym of danger; that is, peril is a word with a more specific, narrower meaning than danger:

Other hyponyms of danger include endangerment, hazard, jeopardy, risk, powder keg, menace, threat.

danger (noun)	peril (noun)
a venture undertaken without regard to possible loss or injury	a venture undertaken without regard to possible loss or injury
a dangerous place	a source of danger; a possibility of incurring loss or misfortune
the condition of being susceptible to harm or injury	a state of danger involving risk
a cause of pain or injury or loss

danger (verb)	peril (verb)
	put in a dangerous, disadvantageous, or difficult position
	pose a threat to; present a danger to